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2021 Nov JN0-692 book

Q41. You are asked to configure an EBGP peering, but the peering does not establish and transitions between the Connect and Active states. Referring to the exhibit, what is causing the problem? 

A. The number of messages from the BGP peer has exceeded the receive socket buffer. 

B. An incorrect local AS has been configured in the BGP group configuration. 

C. BGP is waiting to receive a keepalive or notification message from the peer. 

D. The BGP peer has an incorrect address configured, causing a connectivity failure. 

Answer: D 


Q42. Click the Exhibit button. 

A route is advertised from AS 65221 to AS 65432 using EBGP. The route is active and reachable on R3, but does not appear as an active route on R1 and R2. R3 has an export policy applied to its IBGP group matching on routes from R4, but does not have a then criteria specified. Which policy action should router R3 configure to make this route visible on routers R1 and R2? 

A. then next-hop self 

B. then accept 

C. then announce 

D. then resolve-recursive 

Answer: A 


Q43. An LDP Layer 2 circuit is configured for VPN A and VPN B. Which three statements are true regarding LDP Layer 2 circuit signaling? (Choose three.) 

A. PE-P LDP sessions use Martini encapsulation. 

B. PE-PE LDP sessions can be extended or adjacent. 

C. VRF tables are needed on the PEs. 

D. TCC encapsulation is needed to interconnect different interface types. 

E. The VC type field in the LDP header specifies the encapsulation type. 

Answer: B, D, E 


Q44. You are evaluating a routing policy for an ISP and you find the ^42+ .* (23|9)$ regular expression. Which three AS paths match the regular expression? (Choose three.) 

A. 42 42 42 42 9 

B. 42 42 23 500 

C. 42 42 42 60 9 

D. 42 60 23 9 42 

E. 42 69 500 23 

Answer: A, C, E 


Q45. In your network, customers are complaining about the performance of voice traffic. 

Which command displays the number of packets dropped due to the drop profile configured? 

A. show interfaces queue ge-1/0/0 

B. show interfaces terse 

C. show class-of-service interface ge-1/0/0 

D. show class-of-service forwarding-class 

Answer: A 


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Q46. The network design team has decided to activate multicast in the network. Auto-RP has been selected as the RP mechanism. Which PIM operational mode must be enabled in this network? 

A. sparse mode 

B. sparse-dense mode 

C. dense mode 

D. source specific multicast 

Answer: B 


Q47. In an interdomain multicast deployment scenario, RP1 is in AS1 and RP2 is in AS2. MSDP is configured between RP1 and RP2 A source in AS1 and a receiver in AS2 have just become active. What initially triggers RP1 to send source-active messages (SAs) to RP2? 

A. A join-to-RP message is sent from RP2 to RP1. 

B. A join-to-source message is sent from RP2 to RP1 

C. A register message is received on RP1. 

D. A register message is received on RP2. 

Answer: C 


Q48. Click the Exhibit button. 

Referring to the exhibit, you work for ISP A and are asked to configure R1 to forward traffic for all routes across both available links, to both routers in ISP B's network. Which three configuration commands do you use? (Choose three.) 

A. set protocols bgp group isp-b multihop 

B. set policy-options policy-statement load-balance then load-balance per-packet 

C. set routing-options forwarding-table import load-balance 

D. set protocols bgp group isp-b multipath 

E. set routing-options forwarding-table export load-balance 

Answer: B, D, E 


Q49. In the exhibit, R1 is a route reflector and R2 through R5 are clients in a full mesh configuration. R2 should only receive one copy of all routes sent from R5.Which configuration is valid? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

Answer: C 


Q50. Your router is receiving  four BGP route advertisements  for the 192.168.100.0/24 network. By default, which route becomes active? 

A. Route A, which is learned through EBGP with an AS path of 8001 and a MED of 

175. 

B. Route B, which is learned through IBGP with an AS path of 9900, a MED of 150, and an IGP cost of 15. 

C. Route C, which is learned through IBGP with an AS path of 8001, a MED of 100, and an IGP cost of 10 

D. Route D, which is learned through EBGP with an AS path of 9900 and a MED of 

200. 

Answer: C